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| author | Stephen Hines <srhines@google.com> | 2015-04-01 18:49:24 +0000 |
|---|---|---|
| committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2015-04-01 18:49:26 +0000 |
| commit | 3fa16bd6062e23bcdb82ed4dd965674792e6b761 (patch) | |
| tree | 9348fc507292f7e8715d22d64ce5a32131b4f875 /test/CodeGen/X86/stack-protector-weight.ll | |
| parent | beed47390a60f6f0c77532b3d3f76bb47ef49423 (diff) | |
| parent | ebe69fe11e48d322045d5949c83283927a0d790b (diff) | |
| download | external_llvm-3fa16bd6062e23bcdb82ed4dd965674792e6b761.zip external_llvm-3fa16bd6062e23bcdb82ed4dd965674792e6b761.tar.gz external_llvm-3fa16bd6062e23bcdb82ed4dd965674792e6b761.tar.bz2 | |
Merge "Update aosp/master LLVM for rebase to r230699."
Diffstat (limited to 'test/CodeGen/X86/stack-protector-weight.ll')
| -rw-r--r-- | test/CodeGen/X86/stack-protector-weight.ll | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/CodeGen/X86/stack-protector-weight.ll b/test/CodeGen/X86/stack-protector-weight.ll new file mode 100644 index 0000000..c5bf491 --- /dev/null +++ b/test/CodeGen/X86/stack-protector-weight.ll @@ -0,0 +1,36 @@ +; RUN: llc -mtriple=x86_64-apple-darwin -print-machineinstrs=expand-isel-pseudos -enable-selectiondag-sp=true %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=SELDAG +; RUN: llc -mtriple=x86_64-apple-darwin -print-machineinstrs=expand-isel-pseudos -enable-selectiondag-sp=false %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=IR + +; SELDAG: # Machine code for function test_branch_weights: +; SELDAG: Successors according to CFG: BB#[[SUCCESS:[0-9]+]](1048575) BB#[[FAILURE:[0-9]+]](1) +; SELDAG: BB#[[FAILURE]]: +; SELDAG: CALL64pcrel32 <es:__stack_chk_fail> +; SELDAG: BB#[[SUCCESS]]: + +; IR: # Machine code for function test_branch_weights: +; IR: Successors according to CFG: BB#[[SUCCESS:[0-9]+]](1048575) BB#[[FAILURE:[0-9]+]](1) +; IR: BB#[[SUCCESS]]: +; IR: BB#[[FAILURE]]: +; IR: CALL64pcrel32 <ga:@__stack_chk_fail> + +define i32 @test_branch_weights(i32 %n) #0 { +entry: + %a = alloca [128 x i32], align 16 + %0 = bitcast [128 x i32]* %a to i8* + call void @llvm.lifetime.start(i64 512, i8* %0) + %arraydecay = getelementptr inbounds [128 x i32]* %a, i64 0, i64 0 + call void @foo2(i32* %arraydecay) + %idxprom = sext i32 %n to i64 + %arrayidx = getelementptr inbounds [128 x i32]* %a, i64 0, i64 %idxprom + %1 = load i32* %arrayidx, align 4 + call void @llvm.lifetime.end(i64 512, i8* %0) + ret i32 %1 +} + +declare void @llvm.lifetime.start(i64, i8* nocapture) + +declare void @foo2(i32*) + +declare void @llvm.lifetime.end(i64, i8* nocapture) + +attributes #0 = { ssp "stack-protector-buffer-size"="8" } |